Call: 01392 678082

Established 2004

Ruddlesden geotechnical

Ruddlesden geotechnical provides ground investigation, geotechnical consultancy and contamination assessment services.

Based in Exeter, but covering the whole of the UK, albeit primarily concentrated in the South West, Ruddlesden geotechnical was formed in 2004.

Ruddlesden geotechnical works on behalf of a wide client base, including local, regional and national housing developers, housing associations, commercial developers, building contractors, structural and civil engineers, architects, building consultants, quantity surveyors, local authorities and private individuals.

Development projects range from single dwellings and extensions to large housing estates, multi-storey flats, offices, industrial units, roads, slopes, schools, hospitals and basements.

The services and projects listed on this web-site provide an indication of those undertaken by Ruddlesden geotechnical, but others are carried out. If your requirement is not readily identifiable on this web-site, please contact us as we may still be able to help you.

  • AGS
  • Constructionline
  • CSCS
  • SMAS
  • ECFC trust

Latest news

Recent projects

  • Latest news

    14 May 2026

    MSc Student to Help with BRE 365 Soakaway Project

    At Ruddlesden geotechnical, we often provide work experience to university students over the summer. This pleases both parties, as it provides them with invaluable industrial experience and a bit of pocket money, and helps us cover staff holidays, as well acting as an extended job interview, should a suitable vacancy arise in the future.This summer, we are particularly looking forward to welcoming Bailey, from the University of Portsmouth, who will be doing his MSc dissertation with us. He will be working and extending on an on-going project of ours. He will be reviewing all of our soakaway testing data and correlating this with the published geology, and then asking the question, and potentially providing the answer: does BRE soakaway testing need to be carried out in certain geologies?We have been reliably informed that he is a GIS whizz and are hopeful that he is what the project needs to take it to the next level.

    MSc Student to Help with BRE 365 Soakaway Project
    MSc Student to Help with BRE 365 Soakaway Project

  • Recent projects

    Groundwater Monitoring for Retaining Wall Design, Devon

    Following a geotechnical investigation, groundwater monitoring was undertaken to provide data for the design of a proposed retaining wall. Due to the site’s locality, near to a tidal estuary, monitoring visits were carefully considered, to ensure that the high tidal range, and the groundwater table’s response, was reflected in the data. The level of the groundwater table and groundwater pressures were critical to the retaining wall design. Limited data and/ or conservative assumptions could have resulted in the overdesign of the structure, with construction costs significantly more than they should have been.

    20-kingsbridge-1

  • Recent projects

    Mineral Resource Assessments, Dorset

    Mineral Resource Assessments have been undertaken for three sites in close proximity to each other for the same developer on the outskirts of village near Poole, in Dorset, where minerals resource assessments are commonly required due to the quarrying of sand and gravel deposits. Ruddlesden geotechnical carried out site-specific desk-based assessments of the superficial and bedrock geology and potential mineral resources, including the study of geological maps and memoirs, historical data, nearby borehole records, site investigation reports and British Geological Survey Mineral Resource Information for Development Plans. The mineral resource assessments, which were undertaken at the pre-application planning stage, as part of the viability assessment, identified that deposits beneath two of the sites were unlikely to be quarried, whereas further work was required to assess the risks at the third site. This information was used by the developer to help prioritise the developments.